Imperial Mining Files for US and Canadian Patents for Its Scandium and Rare Earth Metallurgical Extraction Process
MONTREAL, Feb. 02, 2023 (GLOBE NEWSWIRE) -- Imperial Mining Group Ltd. ("Imperial") (TSX VENTURE: IPG) (OTCQB: IMPNF) is pleased to announce the filling of patent applications for its two-stage hydrometallurgical methods and processes for the …